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osmlab
Data Corrections in the Caribbean
Task Description
This task outlines work to improve map data on Caribbean islands based on app user feedback. We occasionally receive anonymous user feedback, often related to street names, addresses, road network issues, points of interest and other related features. We plan to correct the data where we can identify that the feedback is valid, using other sources as appropriate listed below. We also plan to correct and improve land use and land cover polygons where needed, such as parks, forests, colleges and universities, and so on -- remove duplicates, correct the boundaries, fix incorrect tags and other similar things.
Mapping Guidelines
The team will follow OSM and local policy, along with any other guidelines as appropriate.
The team will correct the data where we can identify that the feedback is valid, using the imagery and data sources specified below as needed.
We also emailed the talk-carib email list to get feedback.
When in doubt, the team will use the existing tags and data which are used locally. The history in JOSM (ctrl-H) identifies what previous mappers added and their notes and/or explanations regarding changes made. This history can also show if a previous mapper has visited that area or has expert knowledge or sources.
Our team uses the hashtag #adt (for Apple Data Team) for our edits.
Area of Focus
Islands througout the Caribbean.
Tools
The team will use JOSM for completing the task. JOSM has validation warnings for road networks and other possible issues that are important to prevent improper changes.
Sources
- Maxar/DigitalGlobe Standard/Premium imagery
- Bing imagery
- Mapbox imagery
- ESRI imagery
- Mapillary
- OpenStreetCam
- Pic4Carto
- HOT Task Imagery, if available
- Telenav's MissingRoads plugin and ImproveOSM
- Strava and OSM GPS traces
- OpenAerialMap
The team will apply image offsets as needed.
Changeset Comments
The team will provide changeset comments that are in compliance with OSM changeset guidelines.
Where needed, the team will tag corrections with review_requested=yes so the local community can double check them.
Error Detection
The team will check for errors visually and using JOSM validation warnings prior to committing the changeset.
In addition, the team will review its work in accordance with validation guidelines such as the OSM Wiki and LearnOSM.
Contributors
MapRoulette
We have also posted MapRoulette challenges related to the road network: https://maproulette.org/browse/projects/40697
For more information
Our community lead is Teddy Ahlvin and our editing leads are Jon Westlake and Erica Olson. To get in touch with Teddy, you can email or contact him via OSM. All of our leads can be reached via email.
Is there a way to note the countries in which we have expert knowledge? Or receive notifications when review_requested=yes tags are added?
@AlyDVT there are a few ways -- you can note it in your OSM profile, or add yourself to the OSM Wiki pages for those countries. As for the tags, you can search for them via OSMCha: https://osmcha.mapbox.com -- let me know if you have any suggestions or feedback. Thanks!